Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|
| Statement of changes in net assets available for benefits [abstract] | |||
| Reconciliation of changes in net assets available for benefits [abstract] | |||
| Changes in net assets available for benefits [abstract] | |||
| Administrative expenses |
338,000,000
USD
|
353,000,000
USD
|
292,000,000
USD
|
| Tax expense (income) |
260,000,000
USD
|
164,000,000
USD
|
96,000,000
USD
|